C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 37/00 (2006.01) C08B 11/12 (2006.01) C08B 37/04 (2006.01) C08B 37/08 (2006.01) C08B 37/10 (2006.01) C08K 5/05 (2006.01) C08L 5/00 (2006.01)
Patent
CA 2518806
A process for producing a photocrosslinked polysaccharide composition, characterized by freezing a photoreactive-polysaccharide solution comprising at least a photoreactive polysaccharide comprising a polysaccharide and a photoreactive group bonded thereto, an aqueous solvent in which the photoreactive polysaccharide is soluble, and one member selected from the group consisting of alcohols compatible with the aqueous solvent, surfactants, and chelating agents and irradiating the resultant frozen solution with light; and a photocrosslinked polysaccharide composition obtained by the process.
Cette invention concerne un procédé de fabrication d'une composition polysaccharide photoréticulée. Ce procédé se caractérise en ce qu'il consiste à congeler une solution polysaccharide photoréactive comprenant un polysaccharide auquel est lié un groupe photoréactif, un solvant aqueux dans lequel le polysaccharide est soluble, et un élément pris dans le groupe composé d'alcools compatibles avec le solvant aqueux, de tensioactifs et de chélateurs, et à irradier la solution congelée ainsi obtenue avec de la lumière. L'invention concerne également une composition polysaccharide réticulée obtenue par ce procédé.
Riches Mckenzie & Herbert Llp
Seikagaku Corporation
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